Global Patent Index - EP 4040549 A1

EP 4040549 A1 20220810 - IONOMER DISPERSION HAVING HIGH DISPERSION STABILITY, METHOD FOR PRODUCING SAME, AND POLYMER ELECTROLYTE MEMBRANE PRODUCED USING SAME

Title (en)

IONOMER DISPERSION HAVING HIGH DISPERSION STABILITY, METHOD FOR PRODUCING SAME, AND POLYMER ELECTROLYTE MEMBRANE PRODUCED USING SAME

Title (de)

IONOMERDISPERSION MIT HOHER DISPERSIONSSTABILITÄT, VERFAHREN ZU IHRER HERSTELLUNG UND DAMIT HERGESTELLTE POLYMERELEKTROLYTMEMBRAN

Title (fr)

DISPERSION D'IONOMÈRES AYANT UNE STABILITÉ DE DISPERSION ÉLEVÉE, SON PROCÉDÉ DE PRODUCTION, ET MEMBRANE ÉCHANGEUSE DE PROTONS PRODUITE AU MOYEN DE CELUI-CI

Publication

EP 4040549 A1 20220810 (EN)

Application

EP 20873148 A 20200929

Priority

  • KR 20190121034 A 20190930
  • KR 2020013374 W 20200929

Abstract (en)

Disclosed are: an ionomer dispersion having high dispersion stability while also containing high content of ionomer solids, thus optimizing the ionomer morphology in a polymer electrolyte membrane to allow both the ion conductivity and durability of the polymer electrolyte membrane to be improved; a method for producing the ionomer dispersion; and a polymer electrolyte membrane produced using the method.

IPC 8 full level

H01M 8/1048 (2016.01); C08L 27/18 (2006.01); H01M 8/1004 (2016.01); H01M 8/1018 (2016.01); H01M 8/1025 (2016.01); H01M 8/1039 (2016.01); H01M 8/1053 (2016.01); H01M 8/1067 (2016.01)

CPC (source: CN EP KR US)

C08F 214/262 (2013.01 - EP); C08J 5/2237 (2013.01 - EP); C08L 27/18 (2013.01 - CN KR); C08L 81/06 (2013.01 - US); C09D 127/18 (2013.01 - EP); H01M 8/1004 (2013.01 - CN EP KR US); H01M 8/1018 (2013.01 - CN); H01M 8/1025 (2013.01 - CN KR); H01M 8/1039 (2013.01 - CN EP KR US); H01M 8/1048 (2013.01 - CN KR); H01M 8/1053 (2013.01 - CN KR); H01M 8/1067 (2013.01 - CN EP KR US); C08J 2327/18 (2013.01 - EP); H01M 2008/1095 (2013.01 - CN EP KR US); Y02E 60/50 (2013.01 - EP); Y02P 70/50 (2015.11 - EP)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 4040549 A1 20220810; EP 4040549 A4 20231025; CN 114450831 A 20220506; JP 2022544089 A 20221017; JP 7323701 B2 20230808; KR 20210038388 A 20210407; US 2022285715 A1 20220908; WO 2021066544 A1 20210408

DOCDB simple family (application)

EP 20873148 A 20200929; CN 202080068478 A 20200929; JP 2022506847 A 20200929; KR 20200126960 A 20200929; KR 2020013374 W 20200929; US 202017628345 A 20200929